2178473470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2447723}}^1$

素因数の和:2447819

約数の個数: 16

約数和(自身を含む): 3965312880

約数和(自身を除く): 1786839410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2447723, 4895446, 12238615, 24477230, 217847347, 435694694, 1089236735, 2178473470]

約数ペア:

[(1, 2178473470), (2, 1089236735), (5, 435694694), (10, 217847347), (89, 24477230), (178, 12238615), (445, 4895446), (890, 2447723)]